SLC TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 490

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D426250 Surveillance camera housingDec 23, 98Jun 06, 00[1601]
5798701 Self-adjusting smoke detector with self-diagnostic capabilitiesFeb 27, 97Aug 25, 98[G08B]
5767776 Fire detectorJan 29, 96Jun 16, 98[G08B]
5691704 Practical and improved fire detectorJan 29, 96Nov 25, 97[G08B]
5546074 Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopyAug 19, 93Aug 13, 96[G08B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6249310 Discrete surveillance camera devicesExpiredMar 01, 00Jun 19, 01[H04N]
6064430 Discrete surveillance camera devicesExpiredDec 11, 95May 16, 00[H04N]
5945924 Fire and smoke detection and control systemExpiredJul 28, 97Aug 31, 99[G08B]
5804891 Battery saving switching mechanismExpiredMar 31, 97Sep 08, 98[H02J]
5635887 Compact rare earth magnet security switch assemblyExpiredFeb 01, 96Jun 03, 97[H01H]
5539381 Fixed threshold and rate of rise heat detector with dynamic thermal referenceExpiredNov 14, 94Jul 23, 96[G08B]
5471194 Event detection system with centralized signal processing and dynamically adjustable detection thresholdExpiredMar 23, 93Nov 28, 95[G08B]
D361732 Smoke detector housingExpiredAug 16, 94Aug 29, 95[]
D359701 Smoke detector coverExpiredAug 16, 94Jun 27, 95[]
5428345 Method of and apparatus for operating a security system to produce an alarm signalExpiredMar 30, 94Jun 27, 95[G08B]
5311024 Lens arrangement for intrusion detection deviceExpiredMar 11, 92May 10, 94[G08B]
5119224 Apparatus and method for fiber optics communication with dark current correctionExpiredDec 14, 89Jun 02, 92[H04B]
5109219 Method and apparatus for controlling and adjusting the viewing angle of a liquid crystal displayExpiredNov 02, 88Apr 28, 92[G09G]
RE33807 Self-powered sensor for use in closed-loop security systemExpiredMay 16, 90Jan 28, 92[G08B]
5084696 Signal detection system with dynamically adjustable detection thresholdExpiredJan 24, 91Jan 28, 92[G08B]
5026990 Method and apparatus for installing infrared sensors in intrusion detection systemsExpiredAug 28, 89Jun 25, 91[G08B]
5004879 Switch housing with resilient retainersExpiredDec 07, 89Apr 02, 91[H01H]
D312221 Housing for a security consoleExpiredOct 27, 88Nov 20, 90[]
4943791 Wide gap magnetic reed switch and method for manufacture of sameExpiredJan 25, 89Jul 24, 90[H01H]
4931769 Method and apparatus for controlling the operation of a security systemExpiredNov 14, 88Jun 05, 90[G08B]

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